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Groups > comp.lang.python > #90672
| From | Mark Lawrence <breamoreboy@yahoo.co.uk> |
|---|---|
| Subject | Re: Python: How to find out values of all feasible x under constraints. |
| Date | 2015-05-15 13:35 +0100 |
| References | <12da2c70-fd4e-430b-83d2-fad4ac1e3f8f@googlegroups.com> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.35.1431693331.17265.python-list@python.org> (permalink) |
On 15/05/2015 04:58, Xiang Zhang wrote: > Dear all, > > I am writing a code using Python now. > > I want to know how to find out values of all feasible x under constraints. > > x = [x_1, x_2, x_3,..., x_10] > > > constraints: > x_i = 0,1,2,3 or 4, where i=1,2,....10 > x_1 + x_2 + x_3 +...+x_10 <= 15 > > How to find out all the feasible solutions x (domain of x) using python, like [0,0,0,0,0,0,0,0,0,0], [1,1,1,1,1,1,1,1,1,1] etc ? What should be the code? > > Any hint or help would be highly appreciated! > > Sincerely, > > Xiang Zhang > There are several constraint libraries on pypi if you don't want to roll your own. See for example https://pypi.python.org/pypi/python-constraint/1.2 -- My fellow Pythonistas, ask not what our language can do for you, ask what you can do for our language. Mark Lawrence
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Python: How to find out values of all feasible x under constraints. Xiang Zhang <zhangxiangsunny@gmail.com> - 2015-05-14 20:58 -0700 Re: Python: How to find out values of all feasible x under constraints. Peter Otten <__peter__@web.de> - 2015-05-15 09:47 +0200 Re: Python: How to find out values of all feasible x under constraints. Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-15 13:35 +0100 Re: Python: How to find out values of all feasible x under constraints. Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-16 01:16 +0100
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